Results in a recent study showed statistically better clinical outcomes and shorter tourniquet times among patients undergoing total knee arthroplasty who received a medial-stabilized implant compared with a posterior-stabilized implant.

In this study, David F. Scott, MD, and colleagues randomly assigned 200 patients undergoing elective primary TKA to receive either a posterior-stabilized (n=99) or a medial-stabilized (n=101) device. Researchers collected the Knee Society Score, the Forgotten Joint Score and X-rays preoperatively and postoperatively at 6 weeks, 6 months and annually.

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